Nattokinase is a protein kinase of Bacillus subtilis and a serine protease produced by Bacillus natto during natto fermentation. It has the functions of dissolving thrombus, reducing blood viscosity, improving blood circulation, softening and increasing blood vessel elasticity. Natto Monascus, the natto Monascus currently on the market is mainly a mixture of nattokinase and Monascus, which is helpful for the conditioning and improvement of cardiovascular and cerebrovascular diseases. 40+ middle-aged and elderly people can eat some properly, which is good for their health. If the blood lipid problem is not particularly serious, you can take dietary supplements such as Shubaining natto red yeast capsule for daily maintenance.